Grease started out as a raunchy musical in a ... I'm Sandra Dee), and Danny ends up not asking Sandy to prom. Trouble really starts when Kenickie shows up with the sexy ChaCha DeGregorio (Alyssa ...

Image caption, Although not strictly a prom, the school dance in Grease features many of the event's iconic elements - streamers in the school gym, a live band and everyone in their best outfits.